Libraries, like post offices, served a valuable function in the past.

The force serves a valuable function, however - it acts like a spring to keep the driver in the right position.

"We both served valuable functions in the town," he said quietly and calmly.

Too, he is presently fulfilling a most valuable function in the city.

They have a more valuable function to perform there.

At the Home every person performed a valuable function.

If a bank that was performing a valuable function fails, another will spring up in its place.

Economically speaking, the most valuable function of a fixture is to reduce labor costs.

Lawsuits serve a valuable function, both for the victim and society at large.

They serve a valuable function for both the parties and the public.